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If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef PARSE_HXX #define PARSE_HXX #include #include #include #include #include "types.hxx" class SmNode; class SmDocShell; // TokenGroups #define TGOPER 0x00000001 #define TGRELATION 0x00000002 #define TGSUM 0x00000004 #define TGPRODUCT 0x00000008 #define TGUNOPER 0x00000010 #define TGPOWER 0x00000020 #define TGATTRIBUT 0x00000040 #define TGALIGN 0x00000080 #define TGFUNCTION 0x00000100 #define TGBLANK 0x00000200 #define TGLBRACES 0x00000400 #define TGRBRACES 0x00000800 #define TGCOLOR 0x00001000 #define TGFONT 0x00002000 #define TGSTANDALONE 0x00004000 #define TGDISCARDED 0x00008000 #define TGLIMIT 0x00010000 #define TGFONTATTR 0x00020000 enum SmTokenType { TEND, TLGROUP, TRGROUP, TLPARENT, TRPARENT, TLBRACKET, TRBRACKET, TPLUS, TMINUS, TMULTIPLY, TDIVIDEBY, TASSIGN, TPOUND, TSPECIAL, TSLASH, TBACKSLASH, TBLANK, TSBLANK, TRSUB, TRSUP, TCSUB, TCSUP, TLSUB, TLSUP, TGT, TLT, TAND, TOR, TINTERSECT, TUNION, TNEWLINE, TBINOM, TFROM, TTO, TINT, TSUM, TOPER, TABS, TSQRT, TFACT, TNROOT, TOVER, TTIMES, TGE, TLE, TGG, TLL, TDOTSAXIS, TDOTSLOW, TDOTSVERT, TDOTSDIAG, TDOTSUP, TDOTSDOWN, TACUTE, TBAR, TBREVE, TCHECK, TCIRCLE, TDOT, TDDOT, TDDDOT, TGRAVE, THAT, TTILDE, TVEC, TUNDERLINE, TOVERLINE, TOVERSTRIKE, TITALIC, TNITALIC, TBOLD, TNBOLD, TPHANTOM, TFONT, TSIZE, TCOLOR, TALIGNL, TALIGNC, TALIGNR, TLEFT, TRIGHT, TLANGLE, TLBRACE, TLLINE, TLDLINE, TLCEIL, TLFLOOR, TNONE, TMLINE, TRANGLE, TRBRACE, TRLINE, TRDLINE, TRCEIL, TRFLOOR, TSIN, TCOS, TTAN, TCOT, TFUNC, TSTACK, TMATRIX, TMATFORM, TDPOUND, TPLACE, TTEXT, TNUMBER, TCHARACTER, TIDENT, TNEQ, TEQUIV, TDEF, TPROP, TSIM, TSIMEQ, TAPPROX, TPARALLEL, TORTHO, TIN, TNOTIN, TSUBSET, TSUBSETEQ, TSUPSET, TSUPSETEQ, TPLUSMINUS, TMINUSPLUS, TOPLUS, TOMINUS, TDIV, TOTIMES, TODIVIDE, TTRANSL, TTRANSR, TIINT, TIIINT, TLINT, TLLINT, TLLLINT, TPROD, TCOPROD, TFORALL, TEXISTS, TLIM, TNABLA, TTOWARD, TSINH, TCOSH, TTANH, TCOTH, TASIN, TACOS, TATAN, TLN, TLOG, TUOPER, TBOPER, TBLACK, TWHITE, TRED, TGREEN, TBLUE, TCYAN, TMAGENTA, TYELLOW, TFIXED, TSANS, TSERIF, TPOINT, TASINH, TACOSH, TATANH, TACOTH, TACOT, TEXP, TCDOT, TODOT, TLESLANT, TGESLANT, TNSUBSET, TNSUPSET, TNSUBSETEQ, TNSUPSETEQ, TPARTIAL, TNEG, TNI, TBACKEPSILON, TALEPH, TIM, TRE, TWP, TEMPTYSET, TINFINITY, TESCAPE, TLIMSUP, TLIMINF, TNDIVIDES, TDRARROW, TDLARROW, TDLRARROW, TUNDERBRACE, TOVERBRACE, TCIRC, TTOP, THBAR, TLAMBDABAR, TLEFTARROW, TRIGHTARROW, TUPARROW, TDOWNARROW, TDIVIDES, TNDIBVIDES, TSETN, TSETZ, TSETQ, TSETR, TSETC, TWIDEVEC, TWIDETILDE, TWIDEHAT, TWIDESLASH, TWIDEBACKSLASH, TLDBRACKET, TRDBRACKET, TNOSPACE, TUNKNOWN, TDEBUG }; struct SmToken { // token text String aText; // token info SmTokenType eType; sal_Unicode cMathChar; // parse-help info ULONG nGroup; USHORT nLevel; // token position USHORT nRow; xub_StrLen nCol; SmToken(); }; enum SmParseError { PE_NONE, PE_UNEXPECTED_END_OF_INPUT, PE_UNEXPECTED_CHAR, PE_UNEXPECTED_TOKEN, PE_FUNC_EXPECTED, PE_UNOPER_EXPECTED, PE_BINOPER_EXPECTED, PE_SYMBOL_EXPECTED, PE_IDENTIFIER_EXPECTED, PE_POUND_EXPECTED, PE_COLOR_EXPECTED, PE_LGROUP_EXPECTED, PE_RGROUP_EXPECTED, PE_LBRACE_EXPECTED, PE_RBRACE_EXPECTED, PE_PARENT_MISMATCH, PE_RIGHT_EXPECTED, PE_FONT_EXPECTED, PE_SIZE_EXPECTED, PE_DOUBLE_ALIGN, PE_DOUBLE_SUBSUPSCRIPT }; struct SmErrorDesc { SmParseError Type; SmNode *pNode; String Text; }; DECLARE_STACK(SmNodeStack, SmNode *) DECLARE_LIST(SmErrDescList, SmErrorDesc *) /**************************************************************************/ // defines possible conversions of the formula text from the format of // one release to the one of another. enum SmConvert { CONVERT_NONE, CONVERT_40_TO_50, CONVERT_50_TO_60, CONVERT_60_TO_50 }; class SmParser { String BufferString; SmToken CurToken; SmNodeStack NodeStack; SmErrDescList ErrDescList; int CurError; LanguageType nLang; xub_StrLen BufferIndex, nTokenIndex; USHORT Row, ColOff; SmConvert eConversion; BOOL bImportSymNames, bExportSymNames; // declare copy-constructor and assignment-operator private SmParser(const SmParser &); SmParser & operator = (const SmParser &); protected: #if OSL_DEBUG_LEVEL BOOL IsDelimiter( const String &rTxt, xub_StrLen nPos ); #endif void NextToken(); xub_StrLen GetTokenIndex() const { return nTokenIndex; } void Insert(const String &rText, USHORT nPos); void Replace( USHORT nPos, USHORT nLen, const String &rText ); inline BOOL TokenInGroup(ULONG nGroup); // grammar void Table(); void Line(); void Expression(); void Relation(); void Sum(); void Product(); void SubSup(ULONG nActiveGroup); void OpSubSup(); void Power(); void Blank(); void Term(); void Escape(); void Operator(); void Oper(); void UnOper(); void Align(); void FontAttribut(); void Attribut(); void Font(); void FontSize(); void Color(); void Brace(); void Bracebody(BOOL bIsLeftRight); void Function(); void Binom(); void Stack(); void Matrix(); void Special(); void GlyphSpecial(); // end of grammar LanguageType GetLanguage() const { return nLang; } void SetLanguage( LanguageType nNewLang ) { nLang = nNewLang; } void Error(SmParseError Error); public: SmParser(); SmNode *Parse(const String &rBuffer); const String & GetText() const { return BufferString; }; SmConvert GetConversion() const { return eConversion; } void SetConversion(SmConvert eConv) { eConversion = eConv; } BOOL IsImportSymbolNames() const { return bImportSymNames; } void SetImportSymbolNames(BOOL bVal) { bImportSymNames = bVal; } BOOL IsExportSymbolNames() const { return bExportSymNames; } void SetExportSymbolNames(BOOL bVal) { bExportSymNames = bVal; } USHORT AddError(SmParseError Type, SmNode *pNode); const SmErrorDesc * NextError(); const SmErrorDesc * PrevError(); const SmErrorDesc * GetError(USHORT i = 0xFFFF); }; inline BOOL SmParser::TokenInGroup(ULONG nGroup) { return (CurToken.nGroup & nGroup) ? TRUE : FALSE; } #endif